International disease surveillance: July to September 1997.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D005060:Europe / Q000453:epidemiology; D005062:European Union; D005393:Fish Diseases / Q000453:epidemiology*; D005399:Fishes; D006041:Goats; D011200:Poultry; D011201:Poultry Diseases / Q000453:epidemiology*; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology*